public function compile(JsCompiler $compiler, \Twig_NodeInterface $node)
{
if (!$node instanceof \Twig_Node_Expression_Constant) {
throw new \RuntimeException(sprintf('$node must be an instanceof of \\Expression_Constant, but got "%s".', get_class($node)));
}
if ($compiler->isTemplateName) {
$env = $compiler->getEnvironment();
$source = $env->getLoader()->getSource($node->getAttribute('value'));
$module = $env->parse($env->tokenize($source, $node->getAttribute('value')));
$compiler->raw($compiler->getFunctionName($module));
return;
}
$compiler->repr($node->getAttribute('value'));
}
protected function compileClassHeader(JsCompiler $compiler, Twig_NodeInterface $node)
{
$this->functionName = $functionName = $compiler->templateFunctionName = $compiler->getFunctionName($node);
$parts = explode('.', $functionName);
array_pop($parts);
$filename = $node->getAttribute('filename');
if (!empty($filename) && false !== strpos($filename, DIRECTORY_SEPARATOR)) {
$parts = explode(DIRECTORY_SEPARATOR, realpath($filename));
$filename = implode(DIRECTORY_SEPARATOR, array_splice($parts, -4));
}
$compiler->write("/**\n")->write(" * @fileoverview Compiled template for file\n")->write(" *\n")->write(" * " . str_replace('*/', '*\\/', $filename) . "\n")->write(" *\n")->write(" * @suppress {checkTypes|fileoverviewTags}\n")->write(" */\n")->write("\n");
$compiler->write("goog.provide('{$functionName}');\n")->write("\n")->write("goog.require('twig');\n")->write("goog.require('twig.filter');\n")->write("\n")->write("/**\n", " * @constructor\n", " * @param {twig.Environment} env\n", " * @extends {twig.Template}\n", " */\n")->write("{$functionName} = function(env) {\n")->indent()->write("twig.Template.call(this, env);\n");
if (count($node->getNode('blocks')) || count($node->getNode('traits'))) {
$this->compileConstructor($compiler, $node);
}
$compiler->outdent()->write("};\n")->write("twig.inherits({$functionName}, twig.Template);\n\n");
}
/**
* Parses module dependencies from Twig AST.
*
* @param JsCompiler $compiler
* @param \Twig_NodeInterface $node
*
* @return array of dependencies
*/
private function getDependencies(JsCompiler $compiler, \Twig_NodeInterface $node)
{
$dependencies = ['files' => [], 'functions' => []];
$stack = iterator_to_array($node->getIterator());
while (count($stack)) {
$subNode = array_shift($stack);
if (!$subNode instanceof \Twig_Node) {
continue;
}
if ($subNode instanceof \Twig_Node_Include || $subNode instanceof \Twig_Node_Import) {
$expr = $subNode->getNode('expr');
$env = $compiler->getEnvironment();
$path = $expr->getAttribute('value');
$source = $env->getLoader()->getSource($path);
$module = $env->parse($env->tokenize($source, $path));
$name = $compiler->getFunctionName($module);
array_push($dependencies['files'], $name . 'Template');
array_push($dependencies['functions'], $name);
} elseif ($subNode->count()) {
$stack = array_merge(iterator_to_array($subNode->getIterator()), $stack);
}
}
return $dependencies;
}